Home / 849,311.12-1,172,013.98-462,128.06

Finding the Fourth Proportional to 849,311.12, 1,172,013.98 and 462,128.06

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Solution

The fourth proportional to 849,311.12, 1,172,013.98 and 462,128.06 is: 637,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,311.12 : 1,172,013.98 = 462,128.06 : x
  2. Step 2: Convert to fraction form
    849,311.12/1,172,013.98 = 462,128.06/x
  3. Step 3: Cross multiply
    849,311.12x = 1,172,013.98 × 462,128.06
  4. Step 4: Simplify right side
    849,311.12x = 541,620,548,092.59
  5. Step 5: Solve for x
    x = 541,620,548,092.59/849,311.12
  6. Step 6: Final answer
    x = 637,717.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.